Home / 18,110.64-27,170.46-6,425.04

Finding the Fourth Proportional to 18,110.64, 27,170.46 and 6,425.04

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Solution

The fourth proportional to 18,110.64, 27,170.46 and 6,425.04 is: 9,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.64 : 27,170.46 = 6,425.04 : x
  2. Step 2: Convert to fraction form
    18,110.64/27,170.46 = 6,425.04/x
  3. Step 3: Cross multiply
    18,110.64x = 27,170.46 × 6,425.04
  4. Step 4: Simplify right side
    18,110.64x = 174,571,292.32
  5. Step 5: Solve for x
    x = 174,571,292.32/18,110.64
  6. Step 6: Final answer
    x = 9,639.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.